[c-nsp] RFC5837

[Sander Steffann]

Hi,

> I somewhat recently discovered https://tools.ietf.org/html/rfc5837
> 
> Exec summary: your traceroute will show the ingress ifindex where
> packet came in, allowing you to discriminate LAG/bundle/ae interfaces
> and determine actual path in network with ease.
> 
> It seems like massively useful feature for modern networks where LAG
> is rule, not exception, much more useful than widely supported MPLS
> labels.
> 
> If you do agree, and have some leverage, please ping your account team
> and make enhancement request.

I like it!
Sander

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